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AUSCERT External Security Bulletin Redistribution
ESB-2013.0952
Important: Fuse ESB Enterprise 7.1.0 update
10 July 2013
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AusCERT Security Bulletin Summary
---------------------------------
Product: Fuse ESB Enterprise
Publisher: Red Hat
Operating System: Red Hat
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Create Arbitrary Files -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2013-2160 CVE-2013-1821 CVE-2013-0269
CVE-2012-5575 CVE-2011-2487 CVE-2011-1096
Reference: ASB-2013.0082
ASB-2013.0028
ESB-2013.0911
ESB-2013.0855
ESB-2013.0823
ESB-2013.0747
ESB-2013.0716
ESB-2013.0468
ESB-2013.0445
ESB-2013.0346
ESB-2013.0288
ESB-2013.0237
ESB-2013.0209
ESB-2013.0140
ESB-2013.0112
ESB-2013.0111
ESB-2012.0961
ESB-2012.0950
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2013-1028.html
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Red Hat Security Advisory
Synopsis: Important: Fuse ESB Enterprise 7.1.0 update
Advisory ID: RHSA-2013:1028-01
Product: Fuse Enterprise Middleware
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-1028.html
Issue date: 2013-07-09
CVE Names: CVE-2012-5575 CVE-2013-0269 CVE-2013-1821
CVE-2013-2160
=====================================================================
1. Summary:
Fuse ESB Enterprise 7.1.0 roll up patch 1, which fixes multiple security
issues and various bugs, is now available from the Red Hat Customer Portal.
The Red Hat Security Response Team has rated this update as having
important security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.
2. Description:
Fuse ESB Enterprise, based on Apache ServiceMix, provides an integration
platform.
This release of Fuse ESB Enterprise 7.1.0 roll up patch 1 is an update to
Fuse ESB Enterprise 7.1.0 and includes bug fixes. Refer to the readme file
included with the patch files for information about the bug fixes.
The following security issues are also fixed with this release:
XML encryption backwards compatibility attacks were found against various
frameworks, including Apache CXF. An attacker could force a server to use
insecure, legacy cryptosystems, even when secure cryptosystems were enabled
on endpoints. By forcing the use of legacy cryptosystems, flaws such as
CVE-2011-1096 and CVE-2011-2487 would be exposed, allowing plain text to be
recovered from cryptograms and symmetric keys. (CVE-2012-5575)
Note: Automatic checks to prevent CVE-2012-5575 are only run when
WS-SecurityPolicy is used to enforce security requirements. It is best
practice to use WS-SecurityPolicy to enforce security requirements.
A flaw in JRuby's JSON gem allowed remote attacks by creating different
types of malicious objects. For example, it could initiate a denial of
service attack through resource consumption by using a JSON document to
create arbitrary Ruby symbols, which were never garbage collected. It could
also be exploited to create internal objects which could allow a SQL
injection attack. (CVE-2013-0269)
It was discovered that JRuby's REXML library did not properly restrict XML
entity expansion. An attacker could use this flaw to cause a denial of
service by tricking a Ruby application using REXML to read text nodes from
specially-crafted XML content, which will result in REXML consuming large
amounts of system memory. (CVE-2013-1821)
Multiple denial of service flaws were found in the way the Apache CXF
StAX parser implementation processed certain XML files. If a web service
utilized the StAX parser, a remote attacker could provide a
specially-crafted XML file that, when processed, would lead to excessive
CPU and memory consumption. (CVE-2013-2160)
Note: Fuse ESB Enterprise 7.1.0 ships JRuby as part of the camel-ruby
component, which allows users to define Camel routes in Ruby. The default
use of JRuby in Fuse ESB Enterprise 7.1.0 does not appear to expose either
CVE-2013-0269 or CVE-2013-1821. If the version of JRuby shipped with Fuse
ESB Enterprise 7.1.0 was used to build a custom application, then these
flaws could be exposed.
Red Hat would like to thank Tibor Jager, Kenneth G. Paterson and Juraj
Somorovsky of Ruhr-University Bochum for reporting CVE-2012-5575; Ruby
on Rails upstream for reporting CVE-2013-0269; and Andreas Falkenberg of
SEC Consult Deutschland GmbH, and Christian Mainka, Juraj Somorovsky and
Joerg Schwenk of Ruhr-University Bochum for reporting CVE-2013-2160.
Upstream acknowledges Thomas Hollstegge of Zweitag and Ben Murphy as the
original reporters of CVE-2013-0269.
All users of Fuse ESB Enterprise 7.1.0 as provided from the Red Hat
Customer Portal are advised to upgrade to Fuse ESB Enterprise 7.1.0 roll up
patch 1.
3. Solution:
The References section of this erratum contains a download link (you must
log in to download the update).
4. Bugs fixed (http://bugzilla.redhat.com/):
880443 - CVE-2012-5575 jbossws-native, jbossws-cxf, apache-cxf: XML encryption backwards compatibility attacks
909029 - CVE-2013-0269 rubygem-json: Denial of Service and SQL Injection
914716 - CVE-2013-1821 ruby: entity expansion DoS vulnerability in REXML
929197 - CVE-2013-2160 cxf, jbossws-cxf, apache-cxf: Multiple denial of service flaws in the StAX parser
5. References:
https://www.redhat.com/security/data/cve/CVE-2012-5575.html
https://www.redhat.com/security/data/cve/CVE-2013-0269.html
https://www.redhat.com/security/data/cve/CVE-2013-1821.html
https://www.redhat.com/security/data/cve/CVE-2013-2160.html
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=fuse.esb.enterprise&downloadType=securityPatches&version=7.1.0
http://cxf.apache.org/cve-2012-5575.html
https://cxf.apache.org/security-advisories.data/CVE-2013-2160.txt.asc
6. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2013 Red Hat, Inc.
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